https://w3id.org/framester/conceptnet5/data/en/difficult <https://w3id.org/framester/conceptnet5/schema/Antonym> <https://w3id.org/framester/conceptnet5/data/en/easy> <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/cla/la.difficilis.a> <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/difficulty> <https://w3id.org/framester/conceptnet5/cla/la.dis> <https://w3id.org/framester/conceptnet5/cla/enm.difficultee> <https://w3id.org/framester/conceptnet5/cla/la.difficultas> <https://w3id.org/framester/conceptnet5/cla/la.difficul> <https://w3id.org/framester/conceptnet5/schema/HasProperty> <https://w3id.org/framester/conceptnet5/data/en/bad> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/very> <https://w3id.org/framester/conceptnet5/data/en/hard> <https://w3id.org/framester/conceptnet5/data/en/very_hard> risorse dalla linked data cloud